Seeing use in a variety of industrial applications for position sensing and object detection, inductive sensors are based on the phenomenon of magnetism and its…
Seeing use in a variety of industrial applications for position sensing and object detection, inductive sensors are based on the phenomenon of magnetism and its resultant magnetic fields.
Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and…
Many VFDs use digital inputs to control operation, rather than PLC-driven network communications. Learn about 2-wire and 3-wire digital input control schemes for ABB, Omron, Rockwell, and others.
There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and…
There are many different kinds of electric motors used for industrial power transfer, but there are also hydraulic and pneumatic motors that can lend advantages in some situations.
Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in…
Converting thermal energy into electrical signals, temperature sensors such as RTDs and thermocouples are fundamental in the maintenance and operation of industrial environments and equipment.
Calibration can be a time-consuming process requiring expensive traceable tools, but high-accuracy signals result in…
Calibration can be a time-consuming process requiring expensive traceable tools, but high-accuracy signals result in higher-quality products, better customer satisfaction, and, ultimately, greater returns.
Operating just outside the visible light spectrum, infrared energy emits from anything with heat stored in it. Detecting…
Operating just outside the visible light spectrum, infrared energy emits from anything with heat stored in it. Detecting this energy, infrared sensors find use in applications from proximity detection to temperature measurement.
No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using…
No more IIoT buzzwords! This article aims to walk through an implementation of MQTT using the paho-mqtt library using nothing more than your local machine and some simple Python programming.
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then,…
Analytics from data algorithms can predict machine failures and provide diagnostics—but what should we measure? Then, once the information has been collected, what trends might point to problems?
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA)…
Learn about the history, framework, and current uses of the Open Platform Communications United Architecture (OPC UA) communication protocol in industrial automation.
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and…
ASCII is a familiar acronym, found in applications like Modbus communications and string data types—but what is it, and what does ASCII mean for automation engineers?
Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people…
Cybersecurity is all about processes and people. A lot of threats can be mitigated through technology, but only if people understand how cybersecurity affects control systems and related technology.
The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In…
The subject of grounding in electronics is broad and complex, spanning across a variety of functions and objectives. In this article, we will investigate the applications and regulation of grounding in control systems on a fundamental level.
Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor…
Optical sensors are one of the most popular sensor types in industrial automation. This article covers optical sensor basics and commonly used types, including fiber optic, photoelectric, and optical encoders.
Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods…
Safety is a concern in any system containing potential energy, whether electrical, chemical, or fluid. Each has methods of protection, and for fluid systems, certain shutoff valves are used in situations when excess pressure can be a problem.
Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC…
Field-oriented control (FOC), also called vector control, can control 3-phase alternating current motors and brushless DC motors. Read more to learn its advantages, how it works, and its best applications.
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history,…
Industrial sensors can be found in nearly every modern industrial process, regardless of complexity. Learn the history, evolution, and variety of sensors that make manufacturing the modern marvel we see today.
Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should…
Motors consume the highest current during startup—this is a well-known fact. But logically, the slowest speed should relate to the lowest power consumption. Why, then, is inrush current so high for motors?
Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an…
Addressing cybersecurity threats introduced by IIoT technology and devices can quickly seem overwhelming. However, an understanding of the risks can lead to some straightforward countermeasures.
Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring analog inputs…
Programming simple coil and contact commands is an easy matter in most PLC IDEs. Connecting and configuring analog inputs can be more challenging with various bit resolutions and conversion commands.
Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the…
Insufficient controller memory can result in reduced HMI and SCADA response speed and longer scan times. Know the differences between RAM, ROM, and removable memory, and how to keep program sizes in check.
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